At first I just "fumble" the start to give an idea of the tone. A bit further in, I touched the main sequence resistor which speeds the whole thing up. It responds really well to this, and sounds quite musical. Then I started touching the sequence out resistors and diodes together. This created this great bottom end boost which really cuts through. I need to look into this.
Then, at the end, I just pull the 9V battery! _________________What makes a space ours, is what we put there, and what we do there.

Glad to hear you are getting more into it. About two years ago I took the CMOS out of an old thermostat, looked at the data sheets, found this site and never looked back._________________Zontar Prevails!

And, of course, being a Lunetta, I assume that it's an unspoken rule to record samples completely dry. That way, you can open it up in a wave editor and see exactly what's going on.

The schem I started got lost last night when I shut down the computer under the influence of the beautiful amber fluid!

I'll sort it out ASAP.

BTW I think this circuit might open up a number of possibilities for ENV control of Lunetta type oscillators. This is something I think the purely digital realm of Lunettas is lacking in._________________What makes a space ours, is what we put there, and what we do there.

Ah You're power starving the 40106 makes sense now, one could also add interchangle outputs from the 4017 for a different sequence._________________As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"

Oh yes,
The sequencer part could be expanded to enable any type of 1-10 stage pattern, and the resistors from that matrix could be variable (like a baby 10 -> APC).
The diodes really don't do much at the moment, I included them because they are on the breadboard, and I've assumed they are having an effect (although small) on the "instant biasing" of the transistor. I'm more interested in that biasing, and how they could give controlled starvation of the 40106 oscillator. The diodes would be needed to send a separate pulse stream to a second transistor/40106 oscillator block. This will follow soon hopefully.
I also want to try a three stage oscillator (using the unused inverters of U3) This could then have extra "filter" components tapped off the middle inverter. I'm thinking capacitive coupling, diode clamping, partial bypass with high value resistors, or, more likely, a combination of these effects. But I wanted to get the basic idea going first.
The decayed starvation of Q1 with the cap to ground from the base, is also a major part of getting this kind of sound. It too could be tweaked, or mixed with other conditioning of the pulsestream._________________What makes a space ours, is what we put there, and what we do there.

Uncle, reading that last post - I can't help but think that you're becoming a circuit designer! You have a lot of experience now and it shows. I look forward to seeing what else you come up with in the world of Lunettas.

Thanks Les,
That really does mean a lot to me, especially from you!
Yeah, it's fun playing with these things.
Not sure what to do with the end result yet, but I'm sure it will happen somehow. _________________What makes a space ours, is what we put there, and what we do there.

I got disenchanted with the filter circuit I was working on so I did this tonight instead. Turned out to be brilliant
I've got some serious control going on too, I made an LFO to control the transistor and got some incredibly crunchy sounds out of it, I will post a video of them tomorrow.

What I'd like to try is wiring up the transistor like the simple transistor inverter; 10k~100k on the base, 470ohms~1k on the collector, power the circuits from the collector.
Reason being that things got a bit perculiar (which can be good) but this resulted in very high frequency oscillation when the transistor was in the "off" state. Also the output wave was pushed up against the top rail of the PSU, due to the circuitry being "on top" of the transistor. To summarise all problems observed; the transistor is on the ground side of the circuit, so pushes the resulting output wave up untill it gets very small and biased right up to the top rail, then it all oscillates in really high frequency. The inverter method should remedy this

Anyways, that was fun, thanks for the ideas Uncle Krunkus and thanks to Dougseidel for pushing me to do this _________________As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"

For this arrangement I put four oscillators (made with random parts from my work bench) into three 4070 EXOR gates. All oscillators and gates are starved.
The saw-ish LFO controling the transistor is made with a 555 timer (556 acctually, but I only used one)._________________As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"

A little update, the transistor-inverter method does work, and with better control. With that method, earlier today, I made this sound I've wanted to make for ages, but it turns out I was accidentally powering the starved portion of circuit through an un-used cmos gate IC. So that was going wild and adding new timbres.
I'm working on a proper device which uses these ideas Should be finished tomorrow._________________As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"

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